/* ================================================
   GetFysio - Global Styles
   ================================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #1A73E8;
  --color-primary-dark: #0D47A1;
  --color-accent: #00897B;
  --color-accent-light: #E0F2F1;
  --color-white: #FFFFFF;
  --color-bg-light: #F8FAFF;
  --color-border: #ECEFF1;
  --color-text: #1C2B3A;
  --color-text-secondary: #546E7A;
  --color-error: #E53935;
  --color-success: #43A047;

  --font-family: 'Inter', system-ui, -apple-system, sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: 3rem;

  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.2;
  --lh-normal: 1.65;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);

  --transition: 0.25s ease;

  --container-max: 1200px;
  --container-padding: var(--space-6);
}

/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg, video {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section--bg {
  background-color: var(--color-bg-light);
}

.section--accent {
  background-color: var(--color-accent-light);
}

.section--dark {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.text-center { text-align: center; }
.text-left { text-align: left; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-text);
}

h1 { font-size: var(--fs-4xl); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-base); }

p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

p:last-child { margin-bottom: 0; }

.section-label {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.section-heading {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-4);
}

.section-heading--lg {
  font-size: var(--fs-4xl);
}

.section-subheading {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  max-width: 620px;
  margin-bottom: var(--space-12);
}

.section-intro {
  max-width: 680px;
}

/* --- Header --- */
.header-top {
  background-color: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
  font-size: var(--fs-sm);
  padding: var(--space-2) 0;
}

.header-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.header-top a {
  color: rgba(255,255,255,0.85);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition);
}

.header-top a:hover { color: #fff; }

.header-top__contacts {
  display: flex;
  gap: var(--space-6);
}

.header-main {
  background: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition);
}

.header-main.scrolled {
  box-shadow: var(--shadow-md);
}

.header-main__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.logo__icon {
  width: 42px;
  height: 42px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.3rem;
  font-weight: var(--fw-bold);
}

.logo__text {
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.logo__text span {
  color: var(--color-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav__link:hover {
  color: var(--color-primary);
  background: var(--color-bg-light);
}

.nav__link.active {
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: var(--space-4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-2);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-open .hamburger span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-open .hamburger span:nth-child(2) { opacity: 0; }
.nav-open .hamburger span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav Overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(28,43,58,0.5);
  z-index: 99;
}

.mobile-nav__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--color-white);
  padding: var(--space-8) var(--space-6);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.mobile-nav__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

.mobile-nav__links {
  margin-top: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition);
}

.mobile-nav__link:hover,
.mobile-nav__link.active {
  background: var(--color-bg-light);
  color: var(--color-primary);
}

.mobile-nav__cta {
  margin-top: var(--space-6);
}

.nav-open .mobile-nav { display: block; }

/* --- Footer --- */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.75);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__logo .logo__text {
  color: var(--color-white);
}

.footer__logo .logo__icon {
  background: rgba(255,255,255,0.15);
}

.footer__desc {
  margin-top: var(--space-4);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.footer__social {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.75);
  font-size: var(--fs-sm);
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}

.footer__social:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer__heading {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__contact-item {
  display: flex;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.footer__contact-item .icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer__contact-item a {
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

.footer__contact-item a:hover { color: white; }

.footer__bottom {
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.45);
}

.footer__areas {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.4);
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: var(--space-3) 0;
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: '/';
  color: var(--color-border);
  font-size: var(--fs-xs);
}

.breadcrumb__link {
  color: var(--color-primary);
}

.breadcrumb__current {
  color: var(--color-text-secondary);
}

/* --- Page Hero (interior pages) --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: var(--space-16) 0;
  text-align: center;
}

.page-hero h1 {
  color: var(--color-white);
  font-size: var(--fs-4xl);
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: rgba(255,255,255,0.85);
  font-size: var(--fs-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Fade-in animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}